Finding the Fourth Proportional to 39,211.92, 58,769.71 and 18,123.42

Step by Step Solution

1. Step 1: Write the proportion equation
   39,211.92 : 58,769.71 = 18,123.42 : x
2. Step 2: Convert to fraction form
   39,211.92/58,769.71 = 18,123.42/x
3. Step 3: Cross multiply
   39,211.92x = 58,769.71 × 18,123.42
4. Step 4: Simplify right side
   39,211.92x = 1,065,108,137.61
5. Step 5: Solve for x
   x = 1,065,108,137.61/39,211.92
6. Step 6: Final answer
   x = 27,162.87